* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --color-bg: #ffffff;
  --color-heading: #2C2E35;
  --color-text: #4f535f;
  --color-text-secondary: #6B7280;
  --color-accent: #436f9b;
  --color-accent-hover: #2f5d8a;
  --color-link-soft: #4f7194;
  --color-muted: var(--color-text-secondary);
  --color-faint: var(--color-text-secondary);
  --color-line: #e5e7eb;
  --page-width: 760px;
}

html {
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  min-height: 100vh;
  overflow-y: scroll;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(var(--page-width), calc(100% - 48px));
  flex: 1;
  margin: 0 auto;
  padding: 92px 0 104px;
}

.header-row {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin: -18px 0 46px;
  padding: 18px 0;
  background: var(--color-bg);
}

.site-title h1 {
  margin: 0;
  color: var(--color-heading);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.2;
}

.site-email {
  display: inline-block;
  margin-top: 7px;
  color: var(--color-accent);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
}

.site-email:hover {
  color: var(--color-accent-hover);
  text-decoration: none;
}

.inline-navbar {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 8px;
}

.inline-navbar a {
  color: var(--color-heading);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.2;
  text-decoration: none;
}

.inline-navbar a.active,
.inline-navbar a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.profile-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  align-items: start;
  gap: 86px;
}

.profile-right {
  min-width: 0;
}

.profile-left {
  padding-top: 10px;
}

.profile-photo-container {
  width: 220px;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 16px;
  background: transparent;
}

.profile-photo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.profile-name,
.social-links {
  display: none;
}

.content-section {
  max-width: 590px;
}

.content-section p,
p {
  margin-bottom: 22px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.62;
}

.content-section strong,
strong {
  color: var(--color-heading);
  font-weight: 500;
}

.profile-meta {
  margin-top: 6px;
}

.quick-links,
.research-tags {
  margin-bottom: 10px;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.quick-links a {
  display: inline-block;
  color: var(--color-link-soft);
  font-size: 0.95rem;
  font-weight: 300;
  transition: color 160ms ease, transform 160ms ease;
}

.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--color-text-secondary);
  font-size: 0.94rem;
  line-height: 1.5;
}

.research-tags span {
  display: inline-block;
  transition: color 160ms ease, transform 160ms ease;
}

.quick-links a:hover,
.research-tags span:hover {
  color: var(--color-accent-hover);
  transform: translateY(-1px);
}

a {
  color: var(--color-link-soft);
  font-weight: 300;
  text-decoration: underline;
  text-decoration-color: rgba(111, 135, 159, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-body);
  letter-spacing: 0;
}

h1 {
  margin-bottom: 30px;
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.2;
}

h2 {
  margin: 38px 0 18px;
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
}

h3 {
  margin: 0 0 24px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 18px;
}

.news-section {
  margin-top: 82px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 32px;
  align-items: baseline;
}

.timeline-date {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: nowrap;
}

.timeline-content {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer {
  width: min(var(--page-width), calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.blog-list,
.papers-section {
  margin-top: 0.5rem;
}

.blog-item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 1.4rem;
  align-items: baseline;
}

.blog-date {
  color: var(--color-faint);
  font-size: 0.95rem;
  white-space: nowrap;
}

.blog-title {
  margin-bottom: 2px;
  color: var(--color-heading);
  font-size: 1rem;
  font-weight: 500;
}

.blog-excerpt {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.papers-year-group {
  margin-bottom: 2.4rem;
}

.papers-year {
  margin: 0 0 1rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-faint);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.paper {
  margin-bottom: 1.5rem;
}

.paper-title,
.paper-authors,
.paper-venue,
.paper-links,
.edu-degree,
.edu-school,
.edu-note {
  margin-bottom: 0.3rem;
  font-size: 1rem;
  line-height: 1.55;
}

.paper-title,
.edu-degree {
  color: var(--color-text);
}

.paper-authors,
.paper-venue,
.edu-school,
.edu-note {
  color: var(--color-muted);
}

.education-item {
  margin-bottom: 1.4rem;
}

.research-item,
.news-item {
  margin-bottom: 1.5rem;
}

.date {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-faint);
  font-size: 0.95rem;
}

.photo-credit {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-size: 0.85rem;
}

@media (max-width: 780px) {
  body {
    font-size: 16px;
  }

  .container,
  .footer {
    width: min(100% - 32px, var(--page-width));
  }

  .container {
    padding: 42px 0 60px;
  }

  .header-row {
    gap: 18px;
    margin: -14px 0 20px;
    padding: 14px 0;
  }

  .inline-navbar {
    gap: 18px;
  }

  .profile-section {
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 34px;
  }

  .profile-photo-container {
    width: 180px;
    border-radius: 14px;
  }

  .content-section {
    max-width: none;
  }

  h3 {
    margin-top: 0;
  }

  .news-section {
    margin-top: 52px;
  }

  .timeline-item,
  .blog-item {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (max-width: 520px) {
  .header-row {
    gap: 14px;
  }

  .inline-navbar {
    gap: 14px;
    padding-top: 0;
  }

  .profile-section {
    grid-template-columns: minmax(0, 1fr) 112px;
    gap: 18px;
  }

  .profile-photo-container {
    width: 112px;
    border-radius: 12px;
  }

  .content-section p,
  p {
    font-size: 1rem;
  }

  .timeline-item,
  .blog-item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 14px;
  }

  .timeline-date,
  .blog-date {
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  .profile-section {
    grid-template-columns: minmax(0, 1fr) 88px;
    gap: 14px;
  }

  .profile-photo-container {
    width: 88px;
  }
}